13th Brigade or 13th Infantry Brigade may refer to:
Infantry units
edit- 13th Demi-Brigade of Foreign Legion, France
- 13th Indian Infantry Brigade, a unit of the British Indian Army in WWII
- 13th Infantry Brigade (Hungary)
- 13th Light Brigade (Netherlands)
- XIII International Brigade, Spain
- 13th Infantry Brigade (United Kingdom)
- 13th Infantry Brigade (United States)
Cavalry units
edit- 13th Cavalry Brigade (British Indian Army), a unit of the British Indian Army in WWI, distinct from the one below
- 13th Indian Cavalry Brigade, a unit of the British Indian Army in WWI
Other units
edit- 13th Brigade (Australia)
- 13th Brigade (Japan)
- 13th Light Tank Brigade, Soviet Union
- XIII Brigade, Royal Horse Artillery, United Kingdom
- 13th Mounted Brigade, United Kingdom